Title:
PRINTED MATTER AND PRINTING METHOD
Document Type and Number:
Japanese Patent JP2004050762
Kind Code:
A
Abstract:
To provide a printed matter and a printing method, which can ensure high security.
A face image 2 which is a multivalued image, a ghost image 3 which serves as a face image having a lower density than the face image 2, characters 4, and a pattern 5 are printed on the printed matter 1, respectively. In the printed matter 1, the ghost image 3 is printed in such a manner that the pattern 5 to be printed on the printed matter 1 is embedded as a binary image 6, so as to be resistant to a person's perception.
Inventors:
MIKI TAKEO
YAMAGUCHI TAKASHI
YAMAGUCHI TAKASHI
Application Number:
JP2002214414A
Publication Date:
February 19, 2004
Filing Date:
July 23, 2002
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
B42D15/10; B41J2/36; B41J29/00; (IPC1-7): B41J29/00; B41J2/36; B42D15/10
Domestic Patent References:
JPH11355554A | 1999-12-24 | |||
JPH10244789A | 1998-09-14 | |||
JPS63120667A | 1988-05-25 | |||
JPS61186068A | 1986-08-19 | |||
JP2001239763A | 2001-09-04 | |||
JP2002166657A | 2002-06-11 | |||
JPH09248935A | 1997-09-22 | |||
JP2000079782A | 2000-03-21 | |||
JP2000135883A | 2000-05-16 |
Attorney, Agent or Firm:
Takehiko Suzue
Sadao Muramatsu
Atsushi Tsuboi
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
Shoji Kawai
Sadao Muramatsu
Atsushi Tsuboi
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
Shoji Kawai
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